v1.2.0

• PHP 7 + HHVM support (#517, #553, #554, #568, #513)
• Improved eager loading (#550)
• Update test instructions add contributing information (#547)
• Better Date support (#532, #541, #539, #533, #531)
• Model Caching (#417, #458)
• Update PHPUnit and travis configuration (#362)

All changes since v1.1.2